/* 
 * Copyright (c) 2012, Fromentin Xavier, Schnell Michaël, Dervin Cyrielle, Brabant Quentin
 * All rights reserved.
 * 
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *      * Redistributions of source code must retain the above copyright
 *       notice, this list of conditions and the following disclaimer.
 *      * Redistributions in binary form must reproduce the above copyright
 *       notice, this list of conditions and the following disclaimer in the
 *       documentation and/or other materials provided with the distribution.
 *      * The names of its contributors may not be used to endorse or promote products
 *       derived from this software without specific prior written permission.
 * 
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL Fromentin Xavier, Schnell Michaël, Dervin Cyrielle OR Brabant Quentin 
 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
package kameleon.gui.view;

import java.io.File;
import javax.swing.filechooser.FileFilter;

/**
 * File filter used to filter java archive files (.jar extension)
 * of folders.
 * 
 * @author		Fromentin Xavier
 * @version		1.0
 */
public class JarFileFilter extends FileFilter {

	/**
	 * Sole constructor.
	 */
	public JarFileFilter() {
		super() ;
	}// JarFileFilter()

	/**
	 * Whether the given file is a java archive or a folder.
	 * 
	 * @param	file
	 * 			analyzed file
	 * 
	 * @return	{@code true} if the given file is a folder or has
	 * 			a {@code .jar} extension, {@code false} otherwise
	 */
	@Override
	public boolean accept(File file) {
		if (file.isDirectory()) {
			return true ;
		}// if
		// Retrieve file extension
		String extension = file.getName().replaceAll(".*[.]", "") ; //$NON-NLS-1$ //$NON-NLS-2$
		return (extension != null) && extension.equals("jar") ; //$NON-NLS-1$
	}// accept(File)

	/**
	 * Returns a description for this filter.
	 * 
	 * @return	A description for this folder
	 */
	@Override
	public String getDescription() {
		//TODO Externalize hard-coded text
		return "Java archives (.jar)" ; //$NON-NLS-1$
	}// getDescription()

}// class JarFileFilter